Mad-doctor Nathaniel is obsessed with the beautiful Mrs Victoria Harleston – but is she truly delusional, or is she hiding secrets that should never be uncovered? Mrs Harleston’s husband accuses her of hysteria and delusions, but she accuses him of hiding secrets far more terrible. . .

In 1917 the world was rocked by claims that two young girls – Elsie Wright and Frances Griffiths – had photographed fairies in the sleepy village of Cottingley. In 2017, a century later, we finally discover the true nature of these fey creatures . . .